Home / 19,295.16-28,920.40-8,885.04

Finding the Fourth Proportional to 19,295.16, 28,920.40 and 8,885.04

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Solution

The fourth proportional to 19,295.16, 28,920.40 and 8,885.04 is: 13,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.16 : 28,920.40 = 8,885.04 : x
  2. Step 2: Convert to fraction form
    19,295.16/28,920.40 = 8,885.04/x
  3. Step 3: Cross multiply
    19,295.16x = 28,920.40 × 8,885.04
  4. Step 4: Simplify right side
    19,295.16x = 256,958,910.82
  5. Step 5: Solve for x
    x = 256,958,910.82/19,295.16
  6. Step 6: Final answer
    x = 13,317.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.